Safety closure

Details Safety closure Safety closure

1979-10-18

1981-04-07

Hall, George T.

Bottles and jars

Closures

Having warning means or means impeding closure removal

215216, 215274, 215301, 215317, B65D 5502

Patent

active

042600677

ABSTRACT:
The closure consists of inner and outer caps which are disposed concentrically about the mouth of a container. A flap or latch is cut into the side wall of the inner cap and the latch is biased such that its upper edge is normally disposed beneath a lip formed in the brim of the container to lock the inner cap about the mouth of the container. The outer cap is maintained concentrically about the inner cap by means of the lower edge of the latch which is accommodated in an annular groove formed in the inside wall of the outer cap. The caps may be removed from the container by first forcing the outer cap downwardly relative to the inner cap. As the outer cap moves downwardly the wall of its groove contacts the lower portion of the latch and causes the latch to pivot to a position at which its upper edge is no longer beneath the brim lip. Secondly the inner cap is grasped along with the outer cap and the two caps are removed together as a unit from the container.

REFERENCES:
patent: 3469725 (1969-09-01), Turner
patent: 3612322 (1971-10-01), Linkletter
patent: 3862699 (1975-01-01), Wetzell

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